The Pro Form 345 ZLX exercise bike comes with a 9kg (20lbs) inertia-enhanced flywheel to ensure smooth operation & offers 18 levels of silent, frictionless, computer controlled magnetic resistance with Quick Resistance keys for easy changes. It is fitted with a blue backlit LCD display providing constant feedback on the crucial workout data & features a great selection of 18 programmes, as well as the i Fit Live compatibility delivering access to over 1000 downloadable interactive workouts. The machine ensures safe & comfortable workouts thanks to the cushioned adjustable seat & self-levelling pedals with straps.